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''ventricle'' ▫ᴱᴺ Entries

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''ventricle'' ▫ᴱᴺ｜Definition｜1st｜20260320113731-00-⌔

ventricle - Wiktionary, the free dictionary

English

Noun

ventricle (plural ventricles)

  • (anatomy, zootomy) Any small cavity within a body; a hollow part or organ, especially:
    • One of two lower chambers of the heart.
      • ✤ Synonym: cardioventricle
      • ✤ Coordinate term: atrium
      • ✤ Meronyms: left ventricle, right ventricle
      • ✤ The muscular ventricles pump blood by contracting their fibers in response to electrical stimulation.1
      • ✤ “It gave me the wrong one. I thought, wow, if a heart surgeon was using AI to find the lower ventricle … what sort of world would we be living in?”2
    • (neuroanatomy) One of four fluid -filled cavities in the brain, that are continuous with the central canal of the spinal cord.
      • ✤ Synonym: cerebroventricle
      • ✤ Meronyms: fourth ventricle, lateral ventricle, third ventricle
      • ✤ the ventricle of memory3
    • (archaic) A ventriculus; especially, a stomach.
      • ✤ [On birds] Where omitting the more general Properties, of having two Ventricles, and picking up stones to conveigh them into their second Ventricle, the Gizzern, (which provision and instinct is a supply for the want of teeth;) […]4
    • (archaic) The womb.

Etymology

From late Middle English, from Latin ventriculus (“the belly”), diminutive of venter (“the belly”). Doublet of ventriculus.

Pronunciation

  • enPR: vĕnʹtrĭk-əl, IPA: /ˈvɛn.tɹɪk.əl/
    • Audio (Southern England): 🔊
  • Rhymes: -ɛntɹɪkəl

Printed 2026-06-28.

(echo:: @ ⌗)

Footnotes

  1. 2018, Sandeep Jauhar, Heart: a History, →ISBN, page 47: ↩

  2. 2026 June 21, Annabel Nugent, quoting Anthony Horowitz, “The authors who admit to using AI: ‘I have absolutely no shame about it’”, in The Independent ‎: ↩

  3. c. 1595–1596 (date written), William Shakespeare, “Loues Labour’s Lost”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act IV, scene ii]: ↩

  4. 1662, Henry More, An Antidote Against Atheism, Book II: A Collection of Several Philosophical Writings of Dr. Henry More, page 72: ↩

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Secondary

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